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Carbon dioxide evolution patterns in direct methanol fuel cells

Lookup NU author(s): Dr Panagiotis Argyropoulos, Professor Keith Scott, Dr Wathiq Taama

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Abstract

Carbon dioxide gas management is an important issue in the development of the liquid feed direct methanol fuel cell. Data from a flow visualization study, designed to study carbon dioxide gas evolution and flow behaviour are reported. Two different cell designs were used, one based on a simple parallel flow channel concept and the second based on a heat exchanger design concept. With the aid of a high-speed video camera, appropriate computer software and transparent acrylic cells, gas evolution was recorded in a fuel cell working environment. The influence of current density and liquid flow rate are considered. Gas evolution mechanisms and gas management techniques are discussed. The effect of scale-up on the power performance of the parallel flow channel cell is reported.


Publication metadata

Author(s): Argyropoulos P, Scott K, Taama WM

Publication type: Article

Publication status: Published

Journal: Electrochimica Acta

Year: 1999

Volume: 44

Issue: 20

Pages: 3575-3584

Print publication date: 01/06/1999

ISSN (print): 0013-4686

ISSN (electronic): 1873-3859

Publisher: Pergamon

URL: http://dx.doi.org/10.1016/S0013-4686(99)00102-4

DOI: 10.1016/S0013-4686(99)00102-4


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